@techreport {TR-1990-007,
   type = {Technical Report},
   author = {William M. Kantor, Eugene M. Luks },
   title = {Computing in Quotient Groups},
   institution = {University of Oregon, Computer and Information Sciences Department},
   number = TR-1990-007,
   month = 3,
   year = 1990,
   note = {Available at \url{https://www.cs.uoregon.edu/Reports/TR-1990-007.pdf}},
}