@article{is2010broadcast, 
 author = {Murat Ak and Kamer Kaya and Kaan Onarlioglu and Ali Aydin Selcuk},
 title = {{Efficient Broadcast Encryption with User Profiles}},
 journal = {Information Sciences},
 volume = {180},
 number = {6},
 pages = {1060--1072},
 month = mar,
 year = {2010},
 publisher = {Elsevier},
}