%% You should probably cite rfc4528 instead of this I-D.
@techreport{zeilenga-ldap-assert-05,
    number =    {draft-zeilenga-ldap-assert-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-zeilenga-ldap-assert/05/},
    author =    {Kurt Zeilenga},
    title =     {{Lightweight Directory Access Protocol (LDAP) Assertion Control}},
    pagetotal = 6,
    year =      2005,
    month =     feb,
    day =       14,
    abstract =  {This document defines the Lightweight Directory Access Protocol (LDAP) Assertion Control, which allows a client to specify that a directory operation should only be processed if an assertion applied to the target entry of the operation is true. It can be used to construct "test and set", "test and clear", and other conditional operations. {[}STANDARDS-TRACK{]}},
}