\bib{1994/stinson-book} \yr 1994 \isbn 3--540--57766--1, 0--387--57766--1 \mr 95b:94002 \editor Douglas R. Stinson \book Advances in cryptology---CRYPTO '93: 13th annual international cryptology conference, Santa Barbara, California, USA, August 22--26, 1993, proceedings \series Lecture Notes in Computer Science \seriesvol 773 \publ Springer-Verlag \publaddr Berlin \endref