\addcontentsline{toc}{<depth>}{<name>}
where the <depth> is the depth of the entry, like section, chapter, subsubsection, etc.
<name> should be in your case something like "Bibliography"
This will do the job.
\addcontentsline{toc}{<depth>}{<name>}
\usepackage[draft]{showkeys}
in your preamble, and your done.[final]
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