Cryptology ePrint Archive: BibTeX Citation of Report 2005/236

@misc{cryptoeprint:2005:236,
    author = {Pu Duan and Shi Cui and Choong Wah Chan},
    title = {Effective Polynomial Families for Generating More Pairing-Friendly Elliptic Curves},
    howpublished = {Cryptology ePrint Archive, Report 2005/236},
    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.