@techreport{weko_43451_1, author = "SoYeonLIM and Hiroyuki,MORIKAWA", title = "Authentication Protocols for Service Mobility Using Forward Secrecy Cryptosystems", year = "2007", institution = "Graduate School of Frontier Sciences The University of Tokyo, Graduate School of Frontier Sciences The University of Tokyo", number = "44(2007-MBL-041)", month = "may" }