Cryptology ePrint Archive: BibTeX Citation of Report 2009/025

@misc{cryptoeprint:2009:025,
    author = {Ee-Chien Chang  and Chee Liang Lim  and  Jia Xu},
    title = {Short Redactable  Signatures  Using Random Trees},
    howpublished = {Cryptology ePrint Archive, Report 2009/025},
    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.