@inproceedings{JW01,
 author    = {Alexandra Boldyreva and Markus Jakobsson},
 title     = {Theft-Protected Proprietary Certificates},
 booktitle = {Digital Rights Management '02: ACM CCS-9 Workshop},
 year      = {2002},
 isbn      = {3-540-40410-4},
 pages     = {208--220},
 note      = {LNCS 2696}, 
 publisher = {Springer-Verlag},
 address   = {London, UK},
 }