Contributing to Discourse. - Herbert H. Clark; Edward F. Schaefer (Cogn. Sci., 1989)

A Simplified Data Encryption Standard Algorithm. - Edward F. Schaefer (Cryptologia, 1996)

Empirical evidence for the Birch and Swinnerton-Dyer conjectures for modular Jacobians of genus 2 curves. - E. Victor Flynn; Franck Leprévost; Edward F. Schaefer; William A. Stein; Michael Stoll; Joseph L. Wetherell (Math. Comput., 2001)

A Simplified AES Algorithm and its Linear and Differential Cryptanalyses. - Mohammad A. Musa; Edward F. Schaefer; Stephen Wedig (Cryptologia, 2003)

Constructing Brezing-Weng pairing friendly elliptic curves using elements in the cyclotomic field. - Ezekiel J. Kachisa; Edward F. Schaefer; Michael Scott (IACR Cryptol. ePrint Arch., 2007)

The yoga of the Cassels-Tate pairing. - Tom A. Fisher; Edward F. Schaefer; Michael Stoll (LMS J. Comput. Math., 2010)

The Mathematics of Encryption: An Elementary Introduction. - Edward F. Schaefer (Am. Math. Mon., 2015)