Cryptology ePrint Archive: BibTeX Citation of Report 2007/262

@misc{cryptoeprint:2007:262,
    author = {Yong Ho Hwang and Joseph K. Liu and Sherman S.M. Chow},
    title = {Certificateless Public Key Encryption Secure against Malicious KGC Attacks in the Standard Model},
    howpublished = {Cryptology ePrint Archive, Report 2007/262},
    year = {2007},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.