Check out the tut:
1) Create a new doc, I will be using 500x500
2) Fill the background with black
3) Filter->Texture->Grain(Intensity 100, Contrast 100, Type Vertical)
4) Press CTRL+F 3 ti'mes
5) Press CTRL+C then CTRL+V
6) Edit->Transform->Rotate 90CW
7) Set the new layer's fill to 50%
8) Layers->Flatten I'mage
9) Filter->Stylize->Find Edges
10) Filter->Artistic->Neon Glow (Size 2, Brightness 13) Pick a greenish color
11) Filter->Stylize->Glowing Edges(Width 1, Brightness 8, Smoothness 10)
12) Press CTRL+F
And your done! Awsome eh?
You should change some of the settings if you dont want it to be exactly the same
What I came out with: