Two Observations on Probabilistic Primality Testing. - Pierre Beauchemin; Gilles Brassard; Claude Crépeau (CRYPTO, 1986)

A Generalization of Hellman's Extension of Shannon's Approach to Cryptography (Abstract). - Pierre Beauchemin; Gilles Brassard (CRYPTO, 1987)

A Generalization of Hellman's Extension to Shannon's Approach to Cryptography. - Pierre Beauchemin; Gilles Brassard (J. Cryptol., 1988)

The Generation of Random Numbers that Are Probably Prime. - Pierre Beauchemin; Gilles Brassard; Claude Crépeau; Claude Goutier; Carl Pomerance (J. Cryptol., 1988)