@misc{cryptoeprint:2012:104,
    author = {Wei Gao and Guilin Wang and Kefei Chen and Xueli Wang},
    title = {Provably Secure Generic Construction of Certificate Based Signature from Certificateless Signature in Standard Model},
    howpublished = {Cryptology ePrint Archive, Report 2012/104},
    year = {2012},
    url = {http://eprint.iacr.org/2012/104},
}