@misc{cryptoeprint:2007:427,
    author = {Sumanta Sarkar and Subhamoy Maitra},
    title = {Idempotents in the Neighbourhood of Patterson-Wiedemann Functions having Walsh Spectra Zeros},
    howpublished = {Cryptology ePrint Archive, Report 2007/427},
    year = {2007},
    url = {http://eprint.iacr.org/2007/427},
}