\bib{2004/okamoto-ctrsa} \yr 2004 \isbn 3--540--20996--4 \mr 2005d:94157 \editor Tatsuaki Okamoto \book Topics in cryptology---CT-RSA 2004: the cryptographers' track at the RSA Conference 2004, San Francisco, CA, USA, February 23--27, 2004, proceedings \series Lecture Notes in Computer Science \vol 2964 \publ Springer \publaddr Berlin \endref