@InProceedings{PCST2001,
  author = 		 {Adrian Perrig and Ran Canetti and Dawn Song and J. D. Tygar},
  title = 		 {Efficient and Secure Source Authentication for Multicast},
  booktitle = 	 {Network and Distributed System Security Symposium,
                  NDSS~'01},
  pages =        {35--46},
  year =		 2001,
  month =		 Feb
}