@misc{cryptoeprint:2013:193, author = {Yu-Chi Chen and Raylin Tso and Willy Susilo and Xinyi Huang and Gwoboa Horng}, title = {Certificateless Signatures: Structural Extensions of Security Models and New Provably Secure Schemes}, howpublished = {Cryptology ePrint Archive, Report 2013/193}, year = {2013}, url = {http://eprint.iacr.org/2013/193}, }