@inproceedings{Kumar:2003nh,
 acmid = {644186},
 address = {Philadelphia, PA, USA},
 author = {Kumar, Ravi and Russell, Alexander},
 bdsk-url-1 = {http://portal.acm.org/citation.cfm?id=644108.644186},
 booktitle = {Proceedings of the fourteenth annual ACM-SIAM symposium on Discrete algorithms},
 date-added = {2011-03-07 13:56:30 -0500},
 date-modified = {2015-05-28 21:20:16 +0000},
 isbn = {0-89871-538-5},
 location = {Baltimore, Maryland},
 numpages = {2},
 pages = {470--471},
 publisher = {Society for Industrial and Applied Mathematics},
 series = {SODA '03},
 title = {A Note on the Set Systems Used for Broadcast Encryption},
 url = {http://portal.acm.org/citation.cfm?id=644108.644186},
 year = {2003}
}