Cryptology ePrint Archive: BibTeX Citation of Report 2005/136

@misc{cryptoeprint:2005:136,
    author = {Jung Hee Cheon and Nam-su Jho and Myung-Hwan Kim and Eun Sun Yoo},
    title = {Skipping, Cascade, and Combined Chain Schemes for Broadcast Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2005/136},
    year = {2005},
    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.