%% You should probably cite rfc4518 instead of this I-D.
@techreport{ietf-ldapbis-strprep-07,
    number =    {draft-ietf-ldapbis-strprep-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-ldapbis-strprep/07/},
    author =    {Kurt Zeilenga},
    title =     {{Lightweight Directory Access Protocol (LDAP): Internationalized String Preparation}},
    pagetotal = 14,
    year =      2006,
    month =     jan,
    day =       24,
    abstract =  {The previous Lightweight Directory Access Protocol (LDAP) technical specifications did not precisely define how character string matching is to be performed. This led to a number of usability and interoperability problems. This document defines string preparation algorithms for character-based matching rules defined for use in LDAP. {[}STANDARDS-TRACK{]}},
}