%% You should probably cite rfc2164 instead of this I-D.
@techreport{ietf-mixer-directory-02,
    number =    {draft-ietf-mixer-directory-02},
    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-mixer-directory/02/},
    author =    {Steve Kille},
    title =     {{Use of an X.500/LDAP directory to support MIXER address mapping}},
    pagetotal = 10,
    year =      1997,
    month =     jul,
    day =       14,
    abstract =  {This specification defines how to represent and maintain these mappings (MIXER Conformant Global Address Mappings of MCGAMs) in an X.500 or LDAP directory. {[}STANDARDS-TRACK{]}},
}