Cryptology ePrint Archive: BibTeX Citation of Report 2007/411

@misc{cryptoeprint:2007:411,
    author = {Meng-Hui Lim and Sanggon Lee and Hoonjae Lee},
    title = {Cryptanalysis on Improved One-round Lin-Li's Tripartite Key Agreement Protocol},
    howpublished = {Cryptology ePrint Archive, Report 2007/411},
    year = {2007},
    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.