@unpublished{RLAWG-2012-Risk-Limiting-Post-Election-Audits,
    author =    { Risk-Limiting Audits Working Group },
    title =     { Risk-Limiting Post-Election Audits: Why and How }                  
    date =      { 2012-10 },
    OPTyear =   { 2012 },
    OPTmonth =  { October },
    note =      { (Version 1.1) },                  
}