Cryptology ePrint Archive: BibTeX Citation of Report 2009/418

@misc{cryptoeprint:2009:418,
    author = {Mihir Bellare and Dennis Hofheinz and Eike Kiltz},
    title = {Subtleties in the Definition of IND-CCA: When and How Should Challenge-Decryption be Disallowed?},
    howpublished = {Cryptology ePrint Archive, Report 2009/418},
    year = {2009},
    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.