@misc{cryptoeprint:2006:453,
    author = {Zhenfeng Zhang and Dengguo Feng},
    title = {Key Replacement Attack on a Certificateless Signature Scheme},
    howpublished = {Cryptology ePrint Archive, Report 2006/453},
    year = {2006},
    url = {http://eprint.iacr.org/2006/453},
}