Cryptology ePrint Archive: BibTeX Citation of Report 2006/306

@misc{cryptoeprint:2006:306,
    author = {Alexander W. Dent and Qiang Tang},
    title = {Revisiting the Security Model for Timed-Release Public-Key Encryption with Pre-Open Capability},
    howpublished = {Cryptology ePrint Archive, Report 2006/306},
    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.