@book{2004-okamoto-ctrsa ,title={{Topics in cryptology---CT-RSA 2004: the cryptographers' track at the RSA Conference 2004, San Francisco, CA, USA, February 23--27, 2004, proceedings}} ,booktitle={{Topics in cryptology---CT-RSA 2004: the cryptographers' track at the RSA Conference 2004, San Francisco, CA, USA, February 23--27, 2004, proceedings}} ,editor={Tatsuaki Okamoto} ,ISBN={3--540--20996--4} ,MR={2005d:94157} ,publisher={Springer} ,address={Berlin} ,series={Lecture Notes in Computer Science} ,volume={2964} ,year={2004} }