@Misc{Riv12w,
  author =       { Ronald L. Rivest },
  title =        { Thoughts On Appropriate Technologies for Voting },
  howpublished = { Invited keynote given at online special event,
                   ``E-Voting: Risk and Opportunity,''
                   organized by
                   the Center for Information Technology and Policy (CITP) at
                   Princeton University. },
  date =         { 2012-11-01 },                  
  OPTmonth =     { November 1, },
  OPTyear =      { 2012 },
  urla =         { <a href="https://citp.princeton.edu/event/e-voting-risk-and-opportunity/">event</a> },
  urlb =         { <a href="http://youtu.be/1Z6JW1t_sFI">video</a> },
  OPTannote =    {}
}