Cryptology ePrint Archive: BibTeX Citation of Report 2009/075

@misc{cryptoeprint:2009:075,
    author = {Yusuke Naito and Kazuki Yoneyama and Lei Wang and Kazuo Ohta},
    title = {Security of Practical Cryptosystems Using Merkle-Damgard Hash Function in the Ideal Cipher Model},
    howpublished = {Cryptology ePrint Archive, Report 2009/075},
    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.