Cryptology ePrint Archive: BibTeX Citation of Report 2006/207

@misc{cryptoeprint:2006:207,
    author = {Javier Herranz and Dennis Hofheinz and Eike Kiltz},
    title = {The Kurosawa-Desmedt Key Encapsulation is not Chosen-Ciphertext Secure},
    howpublished = {Cryptology ePrint Archive, Report 2006/207},
    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.