Let $A = \begin{vmatrix}2 & e^{i\pi}\ i^{2} &i^{2012} \end{vmatrix}, C = \dfrac {d}{dx}\left (\dfrac {1}{x}\right )|{x = 1}$ and $D = \int{e^{2}}^{1} \dfrac {dx}{x}$. If the sum of two roots of the equation $Ax^{3} + Bx^{2} + Cx + D = 0$ is equal to zero, then $B =$

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