%% You should probably cite draft-thubert-6lo-rpl-nhc instead of this I-D.
@techreport{bormann-6lo-rpl-mesh-00,
    number =    {draft-bormann-6lo-rpl-mesh-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-bormann-6lo-rpl-mesh/00/},
    author =    {Carsten Bormann},
    title =     {{RPL Mesh Header}},
    pagetotal = 4,
    year =      2014,
    month =     aug,
    day =       1,
    abstract =  {This short draft provides a straw man for the RPL Mesh Header.},
}