@misc{cryptoeprint:2008:326, author = {M. B. Paterson and D. R. Stinson}, title = {Two attacks on a sensor network key distribution scheme of Cheng and Agrawal}, howpublished = {Cryptology ePrint Archive, Report 2008/326}, year = {2008}, url = {http://eprint.iacr.org/2008/326}, }