Cryptology ePrint Archive: BibTeX Citation of Report 2005/297

@misc{cryptoeprint:2005:297,
    author = {Maithili Narasimha  and Gene Tsudik},
    title = {DSAC: An Approach to Ensure Integrity of Outsourced Databases using Signature Aggregation and Chaining},
    howpublished = {Cryptology ePrint Archive, Report 2005/297},
    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.