@article{1999-preneel ,note={URL: {\tt http://www.scs.carleton.ca/~paulv/papers/pubs.html}} ,author={Bart Preneel and Paul van Oorschot} ,ISSN={0018--9448} ,journal={IEEE Transactions on Information Theory} ,pages={188--199} ,title={{On the security of iterated message authentication codes}} ,year={1999} }