\begin{figure*}
    \begin{tikzpicture}
    	\begin{axis}[
    		height=11cm,
    		width=\textwidth,
    		grid=major,
    		legend pos= north west,
    		xlabel=Prime Size (bits),
    		ylabel=Time (seconds)]
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		\addlegendentry{fiat\_montgomery32}

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		\addlegendentry{fiat\_montgomery64}

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		\addlegendentry{fiat\_solinas32}

		\addplot[color=blue,mark=square] coordinates {
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		\addlegendentry{fiat\_solinas64}

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		};
		\addlegendentry{gmpvar}

		\addplot[color=red,mark=o] coordinates {
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		\addlegendentry{gmpxx}

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		};
		\addlegendentry{gmpsec}


    	\end{axis}
    \end{figure*}