How could I use Eisenstein's Criterion to determine irreducibility of $x^{12} + 1$ over $\mathbb{Q}$?

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It seems reducible if I follow the criterion directly, but I know this is not so.

Thanks in advance.

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$x^{12}+1=(x^4+1)(x^8-x^4+1)$

Therefore not irreducible over $\mathbb{Q}$