Open new document 1600x900
Then go to Filter>Render>Clouds and make sure u have black/white color
Now go to Filder>Pixelate>Mosaic and put cell size 15:
Then go Filter>Stylize>Find Edges:
Now go on Filter>Blur>Radial Blur and set:
Amount 35
Method tick Zoom
Quality tick Best:
Make this Filter>Stylize>Find Edges
Press CTRL+I or Image>Adjustments>Invert
If u want to change the color just press CTRL+U or Image>Adjustments>Hue/Saturation
Tick Colorize
Final result:
This can be background too