Yang Cui Eiichiro Fujisaki Goichiro Hanaoka Hideki Imai Rui Zhang 0002 Formal Security Treatments for IBE-to-Signature Transformation: Relations among Security Notions. 53-66 2009 92-A IEICE Transactions 1 http://search.ieice.org/bin/summary.php?id=e92-a_1_53&category=A&year=2009&lang=E&abst= db/journals/ieicet/ieicet92a.html#CuiFHIZ09