Cryptology ePrint Archive: BibTeX Citation of Report 2006/447

@misc{cryptoeprint:2006:447,
    author = {Yael Gertner and Tal Malkin and Steven Myers},
    title = {Towards a Separation of Semantic and CCA Security for Public Key Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2006/447},
    year = {2006},
    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.