Xinyi Huang Yi Mu Willy Susilo Wei Wu A Generic Construction for Universally-Convertible Undeniable Signatures. 15-33 2007 conf/cans/2007 CANS http://dx.doi.org/10.1007/978-3-540-76969-9_2 db/conf/cans/cans2007.html#HuangMSW07