Cryptology ePrint Archive: BibTeX Citation of Report 2006/153

@misc{cryptoeprint:2006:153,
    author = {Anupam Datta and Ralf Kuesters and John C. Mitchell and Ajith Ramanathan},
    title = {On the Relationships Between Notions of Simulation-Based Security},
    howpublished = {Cryptology ePrint Archive, Report 2006/153},
    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.