@misc{cryptoeprint:2006:135, author = {Duo Lei, Da Lin2, Li Chao, Keqin Feng, and Longjiang Qu}, title = {The Design Principle of Hash Function with Merkle-Damg{\aa}rd Construction}, howpublished = {Cryptology ePrint Archive, Report 2006/135}, year = {2006}, url = {http://eprint.iacr.org/2006/135}, }