%% You should probably cite draft-ietf-softwire-dslite-mib instead of this I-D.
@techreport{fu-softwire-dslite-mib-04,
    number =    {draft-fu-softwire-dslite-mib-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-fu-softwire-dslite-mib/04/},
    author =    {Yu Fu and Sheng Jiang and Yong Cui and Jiang Dong},
    title =     {{DS-Lite Management Information Base (MIB)}},
    pagetotal = 30,
    year =      2012,
    month =     apr,
    day =       25,
    abstract =  {This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it defines managed objects for DS-Lite.},
}