\bib{2001/silverman} \yr 2001 \isbn 3--540--42488--1 \mr 2002m:11002 \editor Joseph H. Silverman \book Cryptography and lattices: proceedings of the 1st International Conference (CaLC 2001) held in Providence, RI, March 29--30, 2001 \series Lecture Notes in Computer Science \seriesvol 2146 \publ Springer-Verlag \publaddr Berlin \endref