%% You should probably cite draft-ietf-enum-branch-location-record instead of this I-D.
@techreport{lendl-enum-branch-location-record-02,
    number =    {draft-lendl-enum-branch-location-record-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-lendl-enum-branch-location-record/02/},
    author =    {Otmar Lendl},
    title =     {{The ENUM Branch Location Record}},
    pagetotal = 7,
    year =      2006,
    month =     jun,
    day =       26,
    abstract =  {This documents defines the ENUM Branch Location record which is used to indicate where the ENUM tree for special ENUM application is located. The primary application for the EBL is to enable a temporary solution for the infrastructure ENUM tree.},
}