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In this study, we propose a new method based on the augmented Lorenz equations for generating binary pseudorandom numbers and evaluate its security using the statistical tests of SP800-22 published by the National Institute for Standards and Technology in comparison with the performances of other chaotic dynamical models used as binary pseudorandom number generators. We further propose a faster version of the proposed method and evaluate its security using the statistical tests of TestU01 published by L\u2019Ecuyer and Simard. <\/jats:p>","DOI":"10.1142\/s021812741750184x","type":"journal-article","created":{"date-parts":[[2017,12,18]],"date-time":"2017-12-18T03:20:32Z","timestamp":1513567232000},"page":"1750184","source":"Crossref","is-referenced-by-count":9,"title":["Design and Test of Pseudorandom Number Generator Using a Star Network of Lorenz Oscillators"],"prefix":"10.1142","volume":"27","author":[{"given":"Kenichiro","family":"Cho","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga 525-8577, Japan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8484-2915","authenticated-orcid":false,"given":"Takaya","family":"Miyano","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Ritsumeikan University, 1-1-1, Noji-higashi, Kusatsu, Shiga 525-8577, Japan"}]}],"member":"219","published-online":{"date-parts":[[2017,12,18]]},"reference":[{"key":"S021812741750184XBIB001","unstructured":"AES  [2001]  Federal Information Processing Standard Publication 197  (NIST, 2001)."},{"key":"S021812741750184XBIB002","doi-asserted-by":"publisher","DOI":"10.1142\/S0218127406015970"},{"key":"S021812741750184XBIB003","doi-asserted-by":"publisher","DOI":"10.1049\/iet-ipr.2012.0586"},{"key":"S021812741750184XBIB004","first-page":"175","volume":"1","author":"Bennett C. 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